AI agents call stock_hk_hot_rank_latest_em to retrieve information from China Stock MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves publicly available stock popularity ranking data from East Money (东方财富), a financial data provider. It performs a read-only operation that fetches current market sentiment rankings. There are no side effects, no data modification, no code execution, and no financial transactions involved. The tool simply returns informational data about which stocks are currently popular.
From the tool's definition Tool name 'stock_hk_hot_rank_latest_em' and description 'Get 东方财富-个股人气榜-最新排名' (Get East Money Stock Popularity Rankings - Latest Ranking) indicates retrieval of ranking/popularity data with no modification, deletion, or execution of commands.
Documented attack patterns abuse exactly the kind of access stock_hk_hot_rank_latest_em gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and China Stock MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for stock_hk_hot_rank_latest_em:
{
"version": "1",
"default": "deny",
"tools": {
"stock_hk_hot_rank_latest_em": {}
}
}stock_hk_hot_rank_latest_em is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get 东方财富-个股人气榜-最新排名. It is categorised as a Read tool in the China Stock MCP Server MCP Server, which means it retrieves data without modifying state.
Register the China Stock MCP Server MCP server in PolicyLayer and add a rule for stock_hk_hot_rank_latest_em: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches China Stock MCP Server. Nothing to install.
stock_hk_hot_rank_latest_em is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the stock_hk_hot_rank_latest_em rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for stock_hk_hot_rank_latest_em. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
stock_hk_hot_rank_latest_em is provided by the China Stock MCP Server MCP server (peikuo/china-stock-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from China Stock MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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351 China Stock MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.